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Finding the Fourth Proportional to 276,677.10, 415,015.65 and 171,701.10

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Solution

The fourth proportional to 276,677.10, 415,015.65 and 171,701.10 is: 257,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,677.10 : 415,015.65 = 171,701.10 : x
  2. Step 2: Convert to fraction form
    276,677.10/415,015.65 = 171,701.10/x
  3. Step 3: Cross multiply
    276,677.10x = 415,015.65 × 171,701.10
  4. Step 4: Simplify right side
    276,677.10x = 71,258,643,622.22
  5. Step 5: Solve for x
    x = 71,258,643,622.22/276,677.10
  6. Step 6: Final answer
    x = 257,551.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.